20158938

素因数分解:

$2^1\times 3^2\times {\mathrm{349}}^1\times {\mathrm{3209}}^1$

素因数の和:3566

約数の個数: 24

約数和(自身を含む): 43816500

約数和(自身を除く): 23657562

約数列:

[1, 2, 3, 6, 9, 18, 349, 698, 1047, 2094, 3141, 3209, 6282, 6418, 9627, 19254, 28881, 57762, 1119941, 2239882, 3359823, 6719646, 10079469, 20158938]

約数ペア:

[(1, 20158938), (2, 10079469), (3, 6719646), (6, 3359823), (9, 2239882), (18, 1119941), (349, 57762), (698, 28881), (1047, 19254), (2094, 9627), (3141, 6418), (3209, 6282)]